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3. A comparison of the amounts of energy and nitrogen voided as excreta by cockerels housed over trays or fitted with harnesses and plastic collection bags. Sibbald IR, Wolynetz MS. Poult Sci; 1987 Dec; 66(12):1987-94. PubMed ID: 3452218 [Abstract] [Full Text] [Related]
4. The effects of dietary cellulose and sand on the combined metabolic plus endogenous energy and amino acid outputs of adult cockerels. Sibbald IR. Poult Sci; 1980 Apr; 59(4):836-44. PubMed ID: 6246481 [Abstract] [Full Text] [Related]
11. A modified bioassay for energy utilization in newly hatched chicks. 1. Determination of optimum durations for feed withdrawal and excreta collection. Murakami H, Akiba Y, Horiguchi M. Poult Sci; 1994 Jul; 73(7):1094-106. PubMed ID: 7937471 [Abstract] [Full Text] [Related]
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13. Metabolic plus endogenous energy and nitrogen losses of adult cockerels: the correction used in the bioassay for true metabolizable energy. Sibbald IR. Poult Sci; 1981 Apr 01; 60(4):805-11. PubMed ID: 7301742 [Abstract] [Full Text] [Related]